Scientistssayitmaybefiveorsixy

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更新 2022-09-03
科目英语
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难度中等
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挑错有奖

Scientists say it may be five or six years ______ it is possible to test this medicine on human patients.

A．before

B．after

C． since

D．when

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A giant helium(氦) balloon is telling residents of Paris how good or bad the air quality is. When it’s good, the balloon ----measuring 22 meters wide and 32 meters high---shines green. _________, it’s red.

A．Though terrible

B．Whenever good

C．If worse

D．When bad

题型：未知
难度：未知

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Sustainable development is long-term ________which focuses on the environment and ________ natural resources.

A．plan; preserve	B．plan; preserving
C．planning; preserving	D．planning ;preserve

题型：未知
难度：未知

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My plane at 8:30 am, so I home at 8:00 tomorrow morning.

A．leaves; leave

B．leaves; am leaving

C．is leaving; am leaving

D．is leaving; leave

题型：未知
难度：未知

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It is the third time that she ______ the role of Juliet ever since she graduated from university.

A．has played

B．had played

C．is playing

D．played

题型：未知
难度：未知

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Bamboo, which is a common plant in the south, is used ______ in buildings, food, furniture and so on. It is used to make clothes as well.

A．other than

B．more than

C．rather than

D．less than

题型：未知
难度：未知

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